MEDICAL DEVICES FORMED FROM POLYMER FILAMENTS
First Claim
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1. A method for manufacturing a medical device, the method comprising:
- forming a multi-melting point filament, wherein the filament includes a blend of a first polymer and a second polymer;
wherein the filament includes a first melting point and a second melting point lower than the first melting point;
forming the filament into an implantable medical device; and
heat setting the filament at a temperature within 10°
C. of the second melting point.
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Abstract
Medical devices and method for manufacturing medical devices are discloses. An example medical device may include a medical device body formed from one or more multi-melting point polymeric filaments. Each of the filaments may include a polymeric blend comprising a first block polymer and a second polymer. The polymeric blend may have a first melting point and a second melting point less than the first melting point. The medical device body may be heat set at a temperature within 10° C. of the second melting point.
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Citations
20 Claims
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1. A method for manufacturing a medical device, the method comprising:
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forming a multi-melting point filament, wherein the filament includes a blend of a first polymer and a second polymer; wherein the filament includes a first melting point and a second melting point lower than the first melting point; forming the filament into an implantable medical device; and heat setting the filament at a temperature within 10°
C. of the second melting point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A medical device, comprising:
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a medical device body formed from one or more multi-melting point polymeric filaments; wherein each of the filaments includes a polymeric blend comprising a first block polymer and a second polymer; wherein the polymeric blend has a first melting point and a second melting point less than the first melting point; wherein the medical device body is heat set at a temperature within 10°
C. of the second melting point. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A stent, comprising:
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a cylindrical body formed from a plurality of woven polymeric filaments; wherein each of the plurality of woven polymeric filaments include a polymeric blend comprising a first block polymer and a second polymer; wherein the polymeric blend has a first melting point and a second melting point lower than the first melting point; wherein the first block polymer comprises poly-L-lactic acid and polycaprolactone; wherein the second polymer comprises polycaprolactone; and wherein the cylindrical body is heat set at a temperature within 10°
C. of the second melting point.
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Specification